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PDF GR5301AT Data sheet ( Hoja de datos )

Número de pieza GR5301AT
Descripción Monitor and Timing Management
Fabricantes grenergy 
Logotipo grenergy Logotipo



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No Preview Available ! GR5301AT Hoja de datos, Descripción, Manual

GR5301
Monitor and Timing Management for 2-Parallel NiMH
Battery Charger
Features
Charges 1 to 2 NiMH packs
Detects and avoids charging alkaline cells
Monitors voltage, temperature and time for
safety and secondary termination
Drivers PNP type pass element
Pre-charge qualification for detecting shorted,
damaged, or deeply depleted cells
Automatic recharge keeps batteries charged
Optional temperature qualified charging
Applications
Portable computer, cellular phone and PDA
Charging docks and cradles
Portable consumer electronics
Desktop/standalone charger (AAA/AA)
Digital still camera
Music players (MP3)
Game
Toy
Emergency light
Ordering and Marking Information
Description
The GR5301 is ideal for standalone charging of 1 or
2 or 4 of AA or AAA NiMH “loose” cells. NiCd cells
can also be charged. Temperature, voltage and
charge time are monitored to provide proper
fast/slow charging control algorithms for Nickel
Metal Hydride (NiMH) batteries. The GR5301
detects the battery chemistry and proceeds with the
optimal charging and termination algorithms. This
process eliminates undesirable undercharged or
overcharged conditions and allows accurate and
safe termination of fast/slow charge. Battery tests
are included to detect defective or inappropriate
cells such as Alkaline primary batteries. The
GR5301 supports two loops charging topology, with
independent monitoring and control of each loop.
SOP-14
Code 1 8 9 A B
GH IJ
Year 2008 2009 2010 2011
2016 2017 2018 2019
Code 2 1 2 3 4 ● ● ● 9 A B C
Month Jan. Feb. Mar. Apr.
Sep. Oct. Nov. Dec.
Grenergy OPTO Inc. reserves the right to make changes to improve reliability or manufacture ability without
notice, and advise customers to obtain the latest version of relevant information to verify before placing
orders.
2010.04 Ver. 1.0 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
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GR5301AT pdf
GR5301
Absolute Maximum Ratings
Input voltage between VCC and VSS ------------------------------------------------------------ VSS -0.3 ~ VSS +5.5V
Battery voltage input ------------------------------------------------------------------------------------- VSS -0.3 ~ VSS +5V
LED sink current -------------------------------------------------------------------------------------------------------------- 4mA
LED driver current ------------------------------------------------------------------------------------------------------------ 4mA
Operating temperature range -------------------------------------------------------------------------------------- 0 to +85 OC
Storage temperature range ----------------------------------------------------------------------------------- -40 to +125 OC
Block Diagram
CTRLX
LEDX
Power On
Reset
Control
Logic
OSC
THX
Primary Battery
Voltage
Battery Neck
Voltage
Battery Short
Voltage
VCC
BATX
VSS
2010.04 Ver. 1.0 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
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